Math Test Review

Properties

100

-7 + 0 = -7

Identity Property for Addition

200

3 + 5 = 5 + 3

Commutative Property of Addition

300

-9 x 1 = -9

Identity Property for Multiplication

400

(-3 + 5) + 2 = -3 + (5 + 2)

Associative Property of Addition

500

(-24) x 3 = 3 x (-24)

Commutative Property of Multiplication

Distribute

100

2 (5x - 3) = ???

10x - 6

200

7 (3y - 2) = ???

21y - 14

300

4m (2n + 4) = ???

8mn + 16m

400

-6z (5w - 3p) = ???

-30zw + 18zp

500

1/5 (a - 15b) = ???

1/5a - 3b

Factor

100

3x - 9 = ???

3 (x - 3)

200

4y + 24 = ???

4 (y + 6)

300

12f - 18g = ???

6 (2f - 3g)

400

15xy - 9xyz = ???

3xy (5 - 3z) 

500

32vw - 10vwxy = ???

2vw (16 - 5xy)

Evaluate

100

a = 2     b = 3

2a + 4b = ???

2(2) + 4(3)

4 + 12

16

200

x = 4     y = 3

5x - 3y = ???

5(4) - 3(3)

20 - 9

11

300

g = -2     j = 4

4g - 2j = ???

4(-2) - 2(4)

-8 - 8

-16

400

p = 6     q = -3

8p - 4q = ???

8(6) - 4(-3)

48 - - 12

48 + 12

60

500

k = 3   h = -3   j = 5

2j + 8k - 4h = ???

2(5) + 8(3) - 4(-3)

10 + 24 - -12

10 + 24 +12

46

Miscellaneous

100

What is the multiplicative inverse of 6?

1/6

200

What is the additive inverse of 8?

-8

300

Write this expression in standard (simplest) form.

4 - 5 (-3g + 5)

4 + 15g - 25

15g - 21

400

Write this expression in standard (simplest) form.

4 (-3r - 6) - 3 (r - 3x - 3)

-12r - 24 - 3r + 3x + 9

-15r - 15 + 9x

500

When is Mr. Dunkel's birthday and how old will he be?

Saturday (October 30)

23 years old